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Co-prescribing benzodiazepines to patients receiving opioids: potential risks and benefitsTAE WOO PARK, MD, MSC
DEPARTMENT OF PSYCHIATRY
BOSTON UNIVERSITY SCHOOL OF MEDICINE
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CDC Guideline for Prescribing Opioids for Chronic Pain
“Clinicians should avoid prescribing opioid pain medication and benzodiazepines concurrently whenever possible.”
Dowell et al., MMWR Recomm Rep, 2016
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Prevalence of co-prescribingFrom 2002 to 2014, among opioid recipients co-prescribing increased 41% from 6.8% to 9.6%1
Between 2001 to 2010, benzodiazepines were co-prescribed at 16% of chronic pain visits2
Benzodiazepine use more common in those with SUD history3 and higher opioid doses4
1Hwang et al., Am J Prev Med, 2016 2LaRochelle et al., Pharmacoepidemiol Drug Saf, 20153Neilsen et al., Pain Med, 20154Morasco et al., Pain, 210
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SUD treatment admissions
SAMHSA, 2012
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ED visits
SAMHSA, 2014
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Benzodiazepines and overdose mortality
Hazard ratio 95% CIBenzodiazepine exposure
None 1.00 (ref) -Currently prescribed 3.72 3.36-4.12
Benzodiazepine dose>0-10 1.00 (ref) -
>10-20 1.59 1.34-1.90>20-30 2.27 1.86-2.79>30-40 2.47 1.96-3.11>40 2.93 2.29-3.76
Park et al., BMJ, 2015
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Risks of co-prescribing
Co-prescribing associated with increased risk of overdose in privately insured patient population1
Co-prescribing associated with self-inflicted and violence-related injury and all-cause mortality2
1Sun et al., BMJ, 20172Gressler et al., Pain, 2018
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Other risks of benzodiazepine use
Systematic review: 5 out of 5 studies examining BZD use in Alzheimer’s disease found BZDs associated with cognitive deterioration1
Systematic review: 6 out 7 studies found association between BZD use and increased risk of hip fracture2
•. 200
1Defrancesco et al., Int J Neuropsychopharmacol, 2015 2Cumming et al., CNS Drugs, 2003
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Co-prescribing since CDC guidelines
CDC guideline release associated with an increased rate of decline in co-prescribing1
Co-prescribing rates modestly decreased after CDC guideline release2
◦ But for those who continued to be co-prescribed, proportion of overlapping co-prescribing days did not change
Co-prescribing rates reduced after FDA boxed warning against co-prescribing in 2016, but still substantial co-prescribing3
1Bohnert et al., Ann Intern Med, 20182Jeffrey et al., JAMA Netw Open, 2019 3Zhu et al., JAMA Psychiatry, 2019
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Anxiety and chronic pain
Anxiety disorders are common in chronic pain patients◦ 35% of those with chronic pain in one large population-based study1
Anxiety severity was adversely associated with pain severity and pain-related disability in two longitudinal studies2,3
Anxiety is associated with increased risk of prescription opioid misuse4,5
1McWilliams et al., Pain, 20032Bair et al., Clin J Pain, 20133Lerman et al., Psychosom Med, 20154Arteta et al., Pain Med, 20165Lee et al., J Subst Use, 2019
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Efficacy of benzodiazepinesMeta-analysis for GAD, panic disorder, and SAD
Bandelow et al., Int Clin Psychopharmacol, 2015
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Advantages of benzodiazepines
Good tolerabilityFast onset of actionCan use for as-needed treatment
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Problems with other treatmentsNon-benzodiazepine anxiolytics (e.g. SSRIs, buspirone)◦ Tolerability◦ Anxiety◦ Insomnia◦ Nausea◦ Sexual dysfunction
◦ Slow onset of action◦ Withdrawal syndrome
Psychotherapies◦ Significant barriers to dissemination◦ Intervention length
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Risk of benzodiazepine addiction
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Treatment admissions for benzodiazepines
TEDS, 2016
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Survey of prescribersReasons for co-prescribing◦ Not enough time to negotiate discontinuation◦ Patient is stable◦ Lack of information on other treatments, particularly behavioral
Discontinuing benzodiazepines will be:◦ Too difficult◦ Make patients suffer
>30% of prescribers perceived negative or extremely negative changes for patients after long-term benzodiazepine therapy was discontinued
Hawkins et al., Pain Med, 2017
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Co-prescribing in patients receiving buprenorphine
Adjustedhazard ratio
95% CI
Non-fatal opioid overdose 2.05 1.68-2.50Fatal opioid overdose 2.92 2.10-4.06All-cause mortality 1.90 1.48-2.44Buprenorphine discontinuation 0.87 0.85-0.89
Park et al., Addiction, 2020
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Qualitative study of OUD patients and providersOUD patients used benzodiazepines both appropriately and inappropriately
Patients learned to use benzodiazepines safely and were more able to do so when stable in OUD treatment
Patients commonly aspired to discontinue benzodiazepines
Patients prioritized the benefits of benzodiazepine therapy and providers prioritized the risks
Park et al., Subst Abus, 2019
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Tapering benzodiazepines
Gradual benzodiazepine taper is more effective than routine care
Adding a psychosocial intervention to the taper helps patients complete the taper and continue to be benzodiazepine-free at later follow-up
Oude Voshaar et al., Br. J. Psychiatry, 2006Gould et al., Br. J. Psychiatry, 2014
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SummaryCo-prescribing has declined since release of CDC guidelines for prescribing opioids for chronic pain yet is still common
Prescribing benzodiazepines potentially has both risks and benefits in patients receiving opioids
More guidance is needed to help clinicians minimize the risks of co-prescribing and how to safely and effectively taper benzodiazepine use